<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    这是一个登陆框
    <p>这是一个修改的登陆框</p>
    <form action="">
      <div>用户名：<input type="text" placeholder="请输入用户名" /></div>
      <div>密码：<input type="password" placeholder="请输入密码" /></div>
      <div><button>提交</button></div>
    </form>
  </body>
</html>
